<!--      <m-switch data="$ctrl.isTrue" mclick-fun="$ctrl.set_true_branch($ctrl.isTrue)"></m-switch> -->
     <input type='text' ng-model='info.select_label' placeholder='search...' ng-change="$ctrl.my_tree.set_select_branch(info.select_label)">
      <button ng-click='$ctrl.try_adding_a_branch()' class='btn btn-success btn-sm'><i class='fa fa-fw m-r-xs fa-plus'></i>新增</button>
      <button ng-click='$ctrl.try_changing_the_tree_data()' class='btn btn-success btn-sm'><i class='fa fa-fw m-r-xs fa-plus'></i>删除</button>


        <span ng-if='doing_async'>...loading...</span>
        <abn-tree 
          tree-data         = '$ctrl.my_data' 
          tree-control      = '$ctrl.my_tree' 
          on-select         = '$ctrl.my_tree_handler(branch)' 
          expand-level      = '2'
          initial-selection = '{{$ctrl.selection}}'
          icon-leaf         = 'fa fa-file-o'
          icon-expand       = 'fa fa-plus'
          icon-collapse     = 'fa fa-minus'
          >
        </abn-tree>

 